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330 

WWUS20 KWNS 252133

SEL9

SPC WW 252133

NCZ000-CWZ000-260500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 429

NWS STORM PREDICTION CENTER NORMAN OK

535 PM EDT MON JUN 25 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA

       COASTAL WATERS



EFFECTIVE THIS MONDAY AFTERNOON AND TUESDAY MORNING FROM 535 PM

UNTIL 100 AM EDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF

ROCKY MOUNT NORTH CAROLINA TO 50 MILES EAST SOUTHEAST OF

ELIZABETH CITY NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE

WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 426...WW 427...WW 428...



DISCUSSION...PRE-FRONTAL BAND OF TSTMS ONGOING OVER S-CNTRL/SERN VA

IS EXPECTED TO SPREAD SEWD ACROSS THE WATCH AREA THIS

AFTERNOON/EVENING AHEAD OF 50 KT MIDLEVEL JET STREAK AND

ASSOCIATED...AMPLIFYING UPPER TROUGH.  THE COMBINATION OF A

MODERATELY UNSTABLE WARM SECTOR AND STRENGTHENING VERTICAL SHEAR

WILL CONTINUE TO PROMOTE BOWING LINE SEGMENTS CAPABLE OF DAMAGING

WINDS AND SOME HAIL.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 30030.





...MEAD

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